00446nam a2200145Ia 4500003000900000008004100009040001600050080001500066100002500081245010600106260003400212300001600246650002200262650001600284IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a517.3bWIL  aWilliamson, Benjamin 3aAn elementary treatise on the integral calculuscBenjamin  Williamson                                  aLondonbLongmans, Greenc1938  axvii, 520p.  aIntegral Calculus  aMathematics